Nah...I heat gun while I spray, so if its gonna flash, it'll do so early on!
I agree Mike,
having painted with Lacquers and Automotive products for 25 years
I'm extremely aware of the fire risk of some of these paints.
As I said, I spray such minimal amounts of these spraycanclearcoats (for model sheets).
And, as I said, Krylon and other manufacturers make 'low-odour indoor use' 'spray clears.
Many of them (like Krylon) are water cleanup.
And the amount of paint in a spray can is extremely small (maybe an ounce?),
and its volatile only under pressure.
Of course, you should spray in a well ventilated area,
and as Mike says, do not spray heavy enough amounts and allow a significant amount of atomized paint to accumulate in an enclosed area.
I'd even wear a Respirator if you have one.
But the amount I spray on a model sheet, at one time, is deliberately so small.
I doubt it could be ignited by a welding torch!
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